Home / 2,612.30-3,605.26-1,668.96

Finding the Fourth Proportional to 2,612.30, 3,605.26 and 1,668.96

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Solution

The fourth proportional to 2,612.30, 3,605.26 and 1,668.96 is: 2,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.30 : 3,605.26 = 1,668.96 : x
  2. Step 2: Convert to fraction form
    2,612.30/3,605.26 = 1,668.96/x
  3. Step 3: Cross multiply
    2,612.30x = 3,605.26 × 1,668.96
  4. Step 4: Simplify right side
    2,612.30x = 6,017,034.73
  5. Step 5: Solve for x
    x = 6,017,034.73/2,612.30
  6. Step 6: Final answer
    x = 2,303.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.